Am J Public Health Nations Health. 1943 Mar;33(3):267-9. doi: 10.2105/ajph.33.3.267.
American journal of public health and the nation's health
[No authors listed]
PMID: 18015758 PMCID: PMC1527243 DOI: 10.2105/ajph.33.3.267
[No abstract available.]